Mount of Olives, or Mount Olivet, as a ridge (hill) running north to south about 2 miles long, east of Jerusalem across the Kidron Valley and adjacent to the Jerusalem’s Old City. Its elevation is about 100 feet higher than Jerusalem. It has been used as a Jewish cemetery for about three thousand years and holes more than 150,000 graves. The hill was named for the olive groves that used to cover its slopes.